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Transcription and Regulation

Transcription and Regulation
Transcription factors are

TATA boxes
promoters
proteins which bind to DNA and regulate transcription
CATT boxes

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Transcription and Regulation
Transcription by E. coli polymerase occurs in

three phases known as initiation, elongation and termination
two phases known as initiation and termination
None of these
four phases known as initiation, propagation, elongation and termination

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Transcription and Regulation
In prokaryotes, transcription is

terminated by the stop codon
terminated by a protein called rho
terminated by a poly A sequence
terminated by a start codon

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Transcription and Regulation
The RNA polymerases that transcribe bacterial DNA are

interchangable with DNA polymerases
only active inside the cell
multisubunit enzymes
highly glycosylated in their active forms

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Transcription and Regulation
Transcription begins

upstream from the start codon
downstream from the start codon
at the start codon
none of these

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Transcription and Regulation
Which of the following is necessary for transcription to occur?

DNA molecule
RNA polymerase
DNA polymerase
Both DNA & RNA polymerase

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